addendum

noun

ad·​den·​dum ə-ˈden-dəm How to pronounce addendum (audio)
plural addenda ə-ˈden-də How to pronounce addendum (audio) also addendums
1
: a thing added : addition
2
: a supplement to a book
often used in plural but singular in construction

Examples of addendum in a Sentence

Francine du Plessix Gray, in an essay first written in 1991 and updated with an addendum here, writes eloquently of a lifelong obsession with weight loss, stemming from the harsh judgments of a mother enraptured by fashion. Ginia Bellafante, New York Times Book Review, 21 Sept. 2008
This qualification, however, is not a recent addendum to Derrida's career. In 1990, near the end of the period in which rhetoric and composition had a strong interest in his work, Derrida participated in an editor's interview … in which he characterized his project as fundamentally tied to the tradition it works both within and against. College English, September 2006
The letters are included as an addendum to the biography. there's an addendum from the author to explain certain stylistic choices that she made
Recent Examples on the Web Additionally, in a new addendum to the series from what was previously announced, the prequel will also follow the love story of Claire's parents in World War I-era England. Maureen Lee Lenker, EW.com, 5 Feb. 2024 The complaint was added as an addendum to a previous lawsuit against the National Park Service intended to stop the thinning of forests to prevent and lessen the severity of fires. Andrew J. Campa, Los Angeles Times, 28 Nov. 2023 On August 7, the company issued an addendum to the update attempting to clarify its usage of user data for internal training purposes. Andrew Paul, Popular Science, 9 Aug. 2023 Dahlia Scheindlin offers an incisive addendum to our portrait of those realities, particularly in the Gaza Strip. Michael Oren, Foreign Affairs, 31 May 2023 House Republicans tacked on a pretty unusual addendum to their aid package for Israel: in exchange for $14.3 billion to the U.S. ally, the GOP wants to cut $14.3 billion from the Internal Revenue Service budget. Ellie Quinlan Houghtaling, The New Republic, 30 Oct. 2023 Include an addendum to the ARPA-(H)eilmeier Questions. Janika Schmitt, STAT, 10 July 2023 As things stand, sources tell The Hollywood Reporter that SAG-AFTRA performers will have to check with their union that an addendum to Global Rule One — which requires members to work only under a union contract — is in place before accepting work in Canada. Etan Vlessing, The Hollywood Reporter, 17 July 2023 The doc points out that often these bills trying to ban gender affirming care sneak in addendums that make exceptions for intersex people; surgery is okay as long as the state approves. Lovia Gyarkye, The Hollywood Reporter, 21 June 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'addendum.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

borrowed from Latin, neuter of addendus, gerundive of addere "to add"

First Known Use

1664, in the meaning defined at sense 1

Time Traveler
The first known use of addendum was in 1664

Dictionary Entries Near addendum

Cite this Entry

“Addendum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/addendum. Accessed 18 Mar. 2024.

Kids Definition

addendum

noun
ad·​den·​dum ə-ˈden-dəm How to pronounce addendum (audio)
plural addenda -ˈden-də How to pronounce addendum (audio)
: something added (as to a book)

More from Merriam-Webster on addendum

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!